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- W4308335911 abstract "The state estimation of a maneuvering target, of which the trajectory shape is independent on dynamic characteristics, is studied. The conventional motion models in Cartesian coordinates imply that the trajectory of a target is completely determined by its dynamic characteristics. However, this is not true in the applications of road-target, sea-route-target or flight route-target tracking, where target trajectory shape is uncoupled with target velocity properties. In this paper, a new estimation algorithm based on separate modeling of target trajectory shape and dynamic characteristics is proposed. The trajectory of a target over a sliding window is described by a linear function of the arc length. To determine the unknown target trajectory, an augmented system is derived by denoting the unknown coefficients of the function as states in mileage coordinates. At every estimation cycle except the first one, the interaction (mixing) stage of the proposed algorithm starts from the latest estimated base state and a recalculated parameter vector, which is determined by the least squares (LS). Numerical experiments are conducted to assess the performance of the proposed algorithm. Simulation results show that the proposed algorithm can achieve better performance than the conventional coupled model-based algorithms in the presence of target maneuvers." @default.
- W4308335911 created "2022-11-11" @default.
- W4308335911 creator A5064625509 @default.
- W4308335911 creator A5071920054 @default.
- W4308335911 date "2022-10-01" @default.
- W4308335911 modified "2023-09-30" @default.
- W4308335911 title "Maneuvering target state estimation based on separate modeling of target trajectory shape and dynamic characteristics" @default.
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- W4308335911 doi "https://doi.org/10.23919/jsee.2022.000115" @default.
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